He needs to solve his gambling problems before starting a new life.
But they will difficult to win big in gambling because gambling is not the right place. Gambling is just a way to have fun. They should realize that so they will search for other ways to make money.

I don't know about deferred life syndrome but if they still delay their time to change, they will not see the opportunity to have a second life. He needs to leave gambling forever and start living. He deserves a second chance.